Friday, October 21, 2016

Detecting Swelling States of Red Blood Cells by “Cell–Fluid Coupling Spectroscopy”

Carla Zensen, Isis E. Fernandez, Oliver Eickelberg, Jochen Feldmann, Theobald Lohmüller

Red blood cells are “shaken” with a holographic optical tweezer array. The flow generated around cells due to the periodic optical forcing is measured with an optically trapped “detector” particle located in the cell vicinity. A signal-processing model that describes the cell's physical properties as an analog filter illustrates how cells can be distinguished from each other.

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